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Science News Review

Friday
29 August 2008

Science news for the average citizen.

The Non-Evolution of Ethnic Cuisine

brazil-eating

It was bound to happen. Science Daily reports that research from the University of Sao Paulo in Brazil entitled The non-equilibrium nature of culinary evolution has established that regional cuisines don’t evolve much. Even in a small world.

The researchers examined historical food preferences for ‘national’ diets in Britain, France and Brazil, and found that certain staples as well as unique ingredients remain in the cuisines despite modern access to restaurants specializing in regional or ‘national’ foods. And despite the modern availability of regional foods in grocery stores.

In other words, the Irish still love potatoes, the French still eat snails and frogs’ legs, the Germans still love sausages and sauerkraut, the Japanese still rely on fish stock and Central and South Americans still choose tortillas over Wonder Bread. Mediterranean peoples still consume lots of olive oil, and still have longer lives, less heart disease and lower cholesterol than the average American.

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The Hindu Goddess Baby

Lali-1

For something different and profound, consider the case of a baby girl named Lali born near New Delhi, India on March 11. She has a rare birth defect called diprosopus that gave her two faces on one head. ABC News reported that the resident medical officer of the Saifi Hospital where Lali was born has thus far been unsuccessful in his attempts to convince the parents to allow CT scans or MRI to determine whether there are duplicated internal organs or invisible, life threatening deformities that might be corrected by surgery.

Most babies with this condition are stillborn or die shortly after birth, but Lali so far has shown no breathing or digestion difficulties, both mouths are being fed. She was born normally and left the hospital with her mother 8 hours after birth.

This condition is not technically a case of cojoined twinning, where a single embryo duplicates and does not completely separate. Rather, it is due to malfunctioning in the developing embryo of a single protein called Sonic hedgehog homolog [SHH]. SHH protein governs the width of the face and features, and governs proper development of the brain and spinal cord via a signaling cascade.

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Worried About Global Warming? Don’t Get Divorced!

Divorce

Researchers Jianguo “Jack” Liu and Eunice Yu at Michigan State University have published data in the Proceedings of the National Academy of Science demonstrating that getting divorced isn’t a ‘Green’ thing to do.

Soaring global divorce rates - even in places with strict religious policies against it - are driving urban sprawl and increasing consumption of resources like water and fuel for electricity.

Liu and Yu started with the obvious - when a couple divorces they require two housing units instead of one, even if the children share time at each. These require resources to construct and they take up space. They require fuel to heat and cool. The story in Science Daily, A Really Inconvenient Truth, notes that a refrigerator uses roughly the same amount of energy whether it belongs to one person or to a family. Among the findings when they started digging deeper:

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Married Guys Don’t Do Windows

Despite the howls of protest from married men who insist that they do their fair share of the housework in this age of 2-career households, a study from George Mason University supports what married women have been complaining about for years.

Married Men Do Less Housework Than Live-In Boyfriends reports that:

“Marriage as an institution seems to have a traditionalizing effect on couples–even couples who see men and women as equal.”

According to sociologist Shannon Davis, it’s the institution of marriage itself that sociologically defines who does what type of tasks in the home, even when the wife works outside the home and earns comparable salary to the husband.

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